| SARS | Severe acute respiratory syndrome |
| MERS | Middle East respiratory syndrome |
| COVID-19 | Coronavirus Disease 2019 |
| SARS-CoV-2 | SARS coronavirus 2 |
| 2019-nCoV | Novel coronavirus 2019 |
| HCoV-19 | Human coronavirus 2019 |
| SARSr-CoV | SARS-related coronavirus |
| NTD | N-terminal domain |
| CTD | C-terminal domain |
| RBD | Receptor-binding domain |
| ACE2 | Angiotensin-converting enzyme 2 |
| APN | Aminopeptidase N |
| DPP4 | Dipeptidyl peptidase 4 |
| CPL | Cysteine protease cathepsin L |
| TMPRSS2 | Transmembrane protease serine 2 |
| FP | Fusion peptide |
| 6-HB | Six-helix bundle |
| PRNT | Plaque reduction neutralization test |
| IFITM | Interferon-inducible transmembrane |
| NM | Nafamostat mesylate |
| FOY | Ggabexate mesylate |
| IC50 | 50% inhibitory concentration |
| CC50 | 50% cell cytotoxicity concentration |
| EC50 | Concentration for 50% of maximal effect |
| EC90 | Concentration for 90% of maximal effect |
| RAS | Renin-angiotensin system |
| AT2 | Angiotensin II receptor |
| pan-CoV | Pan-coronavirus |